I'm sorry if this has been posted, but I did a forum search and can't find anything on the topic. After upgrading to Mavericks, the Command + C shortcut no longer works for me. Command + V and Command + X still work, but whenever I try the copy function shortcut, I get the error "funk" sound. Right clicking and choosing copy still works and choosing "copy" from the menu bar still works as well. I've tried restoring the defaults in the Keyboard section in the System Preferences, but that doesn't work either. Anyone else experiencing this problem after downloading Mavericks? Any fixes out there?